ermyth/src/packet.C

/*
 * packet.C: IRC packet handling.
 *
 * Copyright © 2007 Pippijn van Steenhoven / The Ermyth Team
 * Rights to this code are as documented in COPYING.
 *
 *
 * Portions of this file were derived from sources bearing the following license:
 * Rights to this code are documented in doc/pod/license.pod.
 * Copyright © 2005-2007 Atheme Project (http://www.atheme.org)
 */

static char const rcsid[] = "$Id: packet.C,v 1.6 2007-09-05 11:23:15 pippijn Exp $";

#include "atheme.h"
#include "uplink.h"
#include "datastream.h"
#include "connection.h"

static void on_connected (connection_t *cptr);

/* bursting timer */
#if HAVE_GETTIMEOFDAY
struct timeval burstime;
#endif

static void
irc_recvq_handler (connection_t *cptr)
{
  bool wasnonl;
  char parsebuf[BUFSIZE + 1];
  int count;

  wasnonl = cptr->flags & CF_NONEWLINE ? true : false;
  count = recvq_getline (cptr, parsebuf, sizeof parsebuf - 1);
  if (count <= 0)
    return;
  cnt.bin += count;
  /* ignore the excessive part of a too long line */
  if (wasnonl)
    return;
  me.uplinkpong = NOW;
  if (parsebuf[count - 1] == '\n')
    count--;
  if (count > 0 && parsebuf[count - 1] == '\r')
    count--;
  parsebuf[count] = '\0';
  parse (parsebuf);
}

static void
ping_uplink (void *arg)
{
  unsigned int diff;

  if (me.connected)
    {
      phandler->ping_sts ();

      diff = NOW - me.uplinkpong;

      if (diff >= 600)
        {
          slog (LG_INFO, "ping_uplink(): uplink appears to be dead, disconnecting");
          sts ("ERROR :Closing Link: 127.0.0.1 (Ping timeout: %d seconds)", diff);
          sendq_flush (curr_uplink->conn);
          if (me.connected)
            {
              errno = 0;
              curr_uplink->conn->close ();
            }
        }
    }

  if (!me.connected)
    event_delete (ping_uplink, NULL);
}

static void
on_connected (connection_t *cptr)
{
  /* add our server */

  if (cptr == curr_uplink->conn)
    {
      cptr->flags = CF_UPLINK;
      cptr->recvq_handler = irc_recvq_handler;
      me.connected = true;
      /* no SERVER message received */
      me.recvsvr = false;

      slog (LG_INFO, "irc_handle_connect(): connection to uplink established");

      phandler->server_login ();

#ifdef HAVE_GETTIMEOFDAY
      /* start our burst timer */
      s_time (&burstime);
#endif

      /* done bursting by this time... */
      phandler->ping_sts ();

      /* ping our uplink every 5 minutes */
      event_delete (ping_uplink, NULL);
      event_add ("ping_uplink", ping_uplink, NULL, 300);
      me.uplinkpong = NOW;
    }
}

void
init_ircpacket (void)
{
  connection_t::callback.connected.attach (on_connected);
}
Revision:	1.7
Committed:	Sun Sep 16 18:54:45 2007 UTC (16 years, 8 months ago) by pippijn
Content type:	text/plain
Branch:	MAIN
Changes since 1.6:	+7 -2 lines
Log Message:	#defines to enum
#	User	Rev	Content
1	pippijn	1.1	/*
2			* packet.C: IRC packet handling.
3	pippijn	1.7	*
4			* Copyright © 2007 Pippijn van Steenhoven / The Ermyth Team
5			* Rights to this code are as documented in COPYING.
6			*
7			*
8			* Portions of this file were derived from sources bearing the following license:
9	pippijn	1.2	* Rights to this code are documented in doc/pod/license.pod.
10	pippijn	1.4	* Copyright © 2005-2007 Atheme Project (http://www.atheme.org)
11	pippijn	1.1	*/
12
13	pippijn	1.7	static char const rcsid[] = "$Id: packet.C,v 1.6 2007-09-05 11:23:15 pippijn Exp $";
14	pippijn	1.1
15			#include "atheme.h"
16			#include "uplink.h"
17			#include "datastream.h"
18	pippijn	1.5	#include "connection.h"
19	pippijn	1.1
20	pippijn	1.4	static void on_connected (connection_t *cptr);
21
22	pippijn	1.1	/* bursting timer */
23			#if HAVE_GETTIMEOFDAY
24			struct timeval burstime;
25			#endif
26
27			static void
28			irc_recvq_handler (connection_t *cptr)
29			{
30			bool wasnonl;
31			char parsebuf[BUFSIZE + 1];
32			int count;
33
34	pippijn	1.6	wasnonl = cptr->flags & CF_NONEWLINE ? true : false;
35	pippijn	1.1	count = recvq_getline (cptr, parsebuf, sizeof parsebuf - 1);
36			if (count <= 0)
37			return;
38			cnt.bin += count;
39			/* ignore the excessive part of a too long line */
40			if (wasnonl)
41			return;
42			me.uplinkpong = NOW;
43			if (parsebuf[count - 1] == '\n')
44			count--;
45			if (count > 0 && parsebuf[count - 1] == '\r')
46			count--;
47			parsebuf[count] = '\0';
48			parse (parsebuf);
49			}
50
51			static void
52			ping_uplink (void *arg)
53			{
54			unsigned int diff;
55
56			if (me.connected)
57			{
58	pippijn	1.4	phandler->ping_sts ();
59	pippijn	1.1
60			diff = NOW - me.uplinkpong;
61
62			if (diff >= 600)
63			{
64			slog (LG_INFO, "ping_uplink(): uplink appears to be dead, disconnecting");
65			sts ("ERROR :Closing Link: 127.0.0.1 (Ping timeout: %d seconds)", diff);
66			sendq_flush (curr_uplink->conn);
67			if (me.connected)
68			{
69			errno = 0;
70	pippijn	1.5	curr_uplink->conn->close ();
71	pippijn	1.1	}
72			}
73			}
74
75			if (!me.connected)
76			event_delete (ping_uplink, NULL);
77			}
78
79			static void
80	pippijn	1.4	on_connected (connection_t *cptr)
81	pippijn	1.1	{
82			/* add our server */
83
84			if (cptr == curr_uplink->conn)
85			{
86	pippijn	1.6	cptr->flags = CF_UPLINK;
87	pippijn	1.1	cptr->recvq_handler = irc_recvq_handler;
88			me.connected = true;
89			/* no SERVER message received */
90			me.recvsvr = false;
91
92			slog (LG_INFO, "irc_handle_connect(): connection to uplink established");
93
94	pippijn	1.4	phandler->server_login ();
95	pippijn	1.1
96			#ifdef HAVE_GETTIMEOFDAY
97			/* start our burst timer */
98			s_time (&burstime);
99			#endif
100
101			/* done bursting by this time... */
102	pippijn	1.4	phandler->ping_sts ();
103	pippijn	1.1
104			/* ping our uplink every 5 minutes */
105			event_delete (ping_uplink, NULL);
106			event_add ("ping_uplink", ping_uplink, NULL, 300);
107	pippijn	1.4	me.uplinkpong = NOW;
108	pippijn	1.1	}
109			}
110
111			void
112			init_ircpacket (void)
113			{
114	pippijn	1.4	connection_t::callback.connected.attach (on_connected);
115	pippijn	1.1	}